Automobile tonneau cover



FIG. 1 is a rear elevational view of an automobile tonneau cover showing my new design;

FIG. 2 is perspective view taken from the front and the right side thereof;

FIG. 3 is a right side elevational view thereof; and

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a perspective view taken from in the rear and to right thereof.

The broken line showing the remainder of an automobile is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an automobile tonneau cover, as shown and described. 